Compare software

CheckmateCheckCle
Free

Free and open source to self-host.

 Free

Free and open source under the MIT license.

Web, Self-hosted Self-hosted
  • Combines uptime checks with server hardware monitoring
  • Docker and Helm chart deployment options
  • Monitors network services and server metrics
  • Tracks incidents and SSL certificate status
  • You have to host and maintain it yourself
  • No hosted version described in the research
  • Server monitoring supports Linux; Windows support is beta
Self-hosted Self-hosted
Open source Open source
License not stated License: MIT
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 23, 2026

Checked October 8, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.